GRANDFATHER MOUNTAIN, NORTH CAROLINA

Period of Record General Climate Summary - Cooling Degree Days

From Year=1955 To Year=2012
Station:(313565) GRANDFATHER MOUNTAIN
Averages Daily Extremes
Cooling Degree Days for Selected Base Temperature (F)
Base Jan. Feb. Mar. Apr. May Jun. Jul. Aug. Sep. Oct. Nov. Dec. Annual
55 0 0 2 20 66 165 254 237 110 17 1 0 874
57 0 0 1 10 40 117 196 180 73 8 1 0 625
60 0 0 0 3 15 59 114 102 32 2 0 0 326
65 0 0 0 0 1 8 24 21 3 0 0 0 57
70 0 0 0 0 0 0 1 1 0 0 0 0 3
Cooling Degree Day units are computed as the difference between the daily average temperature and the base temperature. (Daily Ave. Temp. - Base Temp.) One unit is accumulated for each degree Fahrenheit the average temperature is above the base temperature. Negative numbers are discarded. Example: If the days high temperature was 95 and the low temperature was 51, the base 60 heating degree day units is ((95 + 51) / 2) - 60 = 13. This is done for each day of the month and summed.
Table updated on May 22,
Months with 5 or more missing days are not considered
Years with 1 or more missing months are not considered

Southeast Regional Climate Center, SERCC Webmaster